package com.bite.book.controller;

import com.bite.book.constant.Constants;
import com.bite.book.enums.BookStatusEnum;
import com.bite.book.enums.ResultCodeEnum;
import com.bite.book.model.*;
import com.bite.book.service.BookService;
import jakarta.servlet.http.HttpSession;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;


@Slf4j
@RequestMapping("/book")
@RestController
public class BookController {

    @Autowired//从spring获得这个对象
    private BookService bookService;
//    @RequestMapping("/getList")
//    public List<BookInfo> getList(){
//        return  bookService.getList();
//    }


    @RequestMapping("/addBook")
    public String addBook(BookInfo bookInfo){
        //参数校验
        //存储数据
        //返回结果
        //建议加上大括号，可以方后面东西进去
        log.info("添加图书，request:{}",bookInfo);

        if(!StringUtils.hasLength(bookInfo.getBookName())
        ||!StringUtils.hasLength(bookInfo.getAuthor())
        ||bookInfo.getCount()==null
        ||bookInfo.getPrice()==null
        ||!StringUtils.hasLength(bookInfo.getPublish())
        ||bookInfo.getStatus()==null){
            //建议加上大括号，可以把后面的东西放进来
            log.error("添加图书，参数不合法，request{}",bookInfo);
            // log.error("添加图书，参数不合法，request"+bookInfo);写法一样，{}是占位符
            return "参数不合法";
        }
        try{
            bookService.addBook(bookInfo);
            return "";
        }catch (Exception e){
            //e是堆栈信息，不用大括号接收对象
            log.error("添加图书异常e:",e);
            return "添加图书发生异常";
        }
    }

    @RequestMapping("/getListByPage")
    public Result<ResponseResult<BookInfo>> getListByPage(PageRequest pageRequest, HttpSession session){
        //参数校验
        //返回数据
        if(session.getAttribute(Constants.SESSION_USER_KEY)==null){
            return Result.unlogin();
        }
        UserInfo userInfo = (UserInfo)session.getAttribute(Constants.SESSION_USER_KEY);
        if(userInfo==null||userInfo.getId()<=0){
            //用户未登录
           return Result.unlogin();
        }
        ResponseResult<BookInfo> listByPage=bookService.getListByPage(pageRequest);
        return  Result.success(listByPage);
    }

    @RequestMapping("/queryBookById")

    public BookInfo queryBookById(Integer bookId){
        log.info("查询图书信息, bookId:" + bookId);
        return bookService.queryBookById(bookId);
    }


    @RequestMapping("/updateBook")
    public String updateBook(BookInfo bookInfo){
        log.info("修改图书，bookInfo:{}",bookInfo);

        try{
            bookService.updateBook(bookInfo);
            //成功
            return "";
        }catch (Exception e){
            log.error("修改图书发生异常,e",e);
            return "修改图书发生异常";
        }
    }

    @RequestMapping("/deleteBook")
    public String deleteBook(Integer bookId){
        log.info("修改图书，bookId:{}",bookId);
        try{
            BookInfo bookInfo=new BookInfo();
            bookInfo.setId(bookId);
            bookInfo.setStatus(BookStatusEnum.DELETED.getCode());
            bookService.updateBook(bookInfo);
            //成功
            return "";
        }catch (Exception e){
            log.error("删除图书发生异常,e",e);
            return "删除图书发生异常";
        }
    }

    @RequestMapping("/batchDelete")
    public Boolean batchDetele(@RequestParam List<Integer> ids){
        log.info("批量删除图书,ids{}",ids);
        try{
            bookService.batchDelete(ids);
            return  true;
        }catch (Exception e){
            log.error("批量删除图书失败,e",e);
            return false;
        }
    }
}
